Artemisa / SPA - P15 P35 PP750 '12cc Power Pot Plenum Extension Chamber'
(P15 P35 PP750. 12cc Power Pot Plenum Extension. ARTEMIS / SPA / DIANA. Option 1: One Plenum Extension. Option 2: Two Plenum Extensions. P35 you will need to very slightly alter your Regulators O.D. to suit.).